Home
HelpTest Code T4F T4 (Thyroxine) Free
Specimen Type
Plasma
Container
Green Lithium Heparin
Minimum Volume
1 mL
Pediatric minimum: 1 green microtainer
Stability
8 hours at 20-25°C/2 days at 2-8°C
Transfer Instructions
Centrifuge. Transport separated specimen at 2-8°C.
Expected Turn Around Time
STAT/ASAP: 1 hour
CPT
84439
Result Information
| Result Code | Result Name |
| T4F | T4 Free |